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How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

How does modernization affect ecosystem

What is one reason that informed consent is important for patients? a. patients have complete access to health care with informed consent. b. patients can make the best decisions with adequate information. c. informed consent brings the cost of health care down significantly. d. informed consent leaves a written record of the patient's consent.